3VMO

Crystal structure of dextranase from Streptococcus mutans in complex with isomaltotriose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Dextranase	polymer	643	72596.4	1	UniProt (F5BA50) Pfam (PF13199) UniProt (by SIFTS) (Q54443) In PDB	Streptococcus mutans
2	B	alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose-(1-6)-beta-D-glucopyranose	branched		666.6	1	In PDB GlyTouCan (G09397NL)
3	C	alpha-D-glucopyranose-(1-6)-alpha-D-glucopyranose	branched		342.3	1	In PDB GlyTouCan (G69864PN)
4	A	PHOSPHATE ION	non-polymer		95.0	1	Chemie (PO4)
5		water	water		18.0	275	Chemie (HOH)

Sequence modifications

A: 100 - 732 (UniProt: F5BA50)

PDB	External Database	Details
Met 98	-	expression tag
Asp 99	-	expression tag
Leu 733	-	expression tag
Glu 734	-	expression tag
His 735	-	expression tag
His 736	-	expression tag
His 737	-	expression tag
His 738	-	expression tag
His 739	-	expression tag
His 740	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	72596.4
Branched	Number of molecules	2
	Total formula weight	1008.9
Non-Polymers*	Number of molecules	1
	Total formula weight	95.0
All*	Total formula weight	73700.2

*Water molecules are not included.